/**
 * \file netopeer_socket.h
 * \author Radek Krejci <rkrejci@cesnet.cz>
 * \brief Netopeer's UNIX socket communication macros.
 *
 * Copyright (C) 2011 CESNET, z.s.p.o.
 *
 * Redistribution and use in source and binary forms, with or without
 * modification, are permitted provided that the following conditions
 * are met:
 * 1. Redistributions of source code must retain the above copyright
 *    notice, this list of conditions and the following disclaimer.
 * 2. Redistributions in binary form must reproduce the above copyright
 *    notice, this list of conditions and the following disclaimer in
 *    the documentation and/or other materials provided with the
 *    distribution.
 * 3. Neither the name of the Company nor the names of its contributors
 *    may be used to endorse or promote products derived from this
 *    software without specific prior written permission.
 *
 * ALTERNATIVELY, provided that this notice is retained in full, this
 * product may be distributed under the terms of the GNU General Public
 * License (GPL) version 2 or later, in which case the provisions
 * of the GPL apply INSTEAD OF those given above.
 *
 * This software is provided ``as is, and any express or implied
 * warranties, including, but not limited to, the implied warranties of
 * merchantability and fitness for a particular purpose are disclaimed.
 * In no event shall the company or contributors be liable for any
 * direct, indirect, incidental, special, exemplary, or consequential
 * damages (including, but not limited to, procurement of substitute
 * goods or services; loss of use, data, or profits; or business
 * interruption) however caused and on any theory of liability, whether
 * in contract, strict liability, or tort (including negligence or
 * otherwise) arising in any way out of the use of this software, even
 * if advised of the possibility of such damage.
 *
 */

#ifndef NETOPEER_SOCKET_H_
#define NETOPEER_SOCKET_H_

#include "config.h"

#define COMM_SOCKET_SEND_FLAGS MSG_NOSIGNAL

#define COMM_SOCKET_PATH "/tmp/netopeer.socket"
#ifdef GROUP
#	define COMM_SOCKET_PERM 0660
#	define COMM_SOCKET_GROUP GROUP
#else
#	define COMM_SOCKET_PERM 0666
#	undef COMM_SOCKET_GROUP
#endif

/**
 * @brief Main communication type
 */
typedef int conn_t;

typedef int msgtype_t;

enum COMM_SOCKET_MSGTYPE {
	COMM_SOCKET_RESULT_ERROR = -1,
	COMM_SOCKET_OP_GET_CPBLTS = 1,
	COMM_SOCKET_OP_SET_SESSION,
	COMM_SOCKET_OP_CLOSE_SESSION,
	COMM_SOCKET_OP_KILL_SESSION,
#ifdef ENABLE_TLS
	COMM_SOCKET_OP_CERT_TO_NAME,
#endif
	COMM_SOCKET_OP_GENERIC
};

char* recv_msg(int socket, size_t len, struct nc_err** err);

#endif /* NETOPEER_SOCKET_H_ */
